package com.kukudexin.config;

import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.concurrent.BasicThreadFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.task.TaskExecutor;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.ThreadPoolExecutor;


@Slf4j
@Configuration
@EnableAsync
@EnableScheduling
public class SchedulingConfiguration {

    @Bean(name = "taskExecutor")
    public TaskExecutor taskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //设置核心线程数
        executor.setCorePoolSize(5);
        //设置最大线程数
        log.info("可用处理器的Java虚拟机的数量：{}", Runtime.getRuntime().availableProcessors());
        executor.setMaxPoolSize(Runtime.getRuntime().availableProcessors() + 1);
        //设置队列容量
        executor.setQueueCapacity(20);
        //设置线程活跃时间（秒）
        executor.setKeepAliveSeconds(60);
        //设置默认线程名称
        executor.setThreadNamePrefix("data-manage-");
        //设置拒绝策略
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //等待所有任务结束后再关闭线程池
        executor.setWaitForTasksToCompleteOnShutdown(true);
        //初始化线程池
        executor.initialize();
        return executor;
    }
}
